polycarboxylic acid
多羧酸：一类含有多个羧基的有机化合物。
常用释义
英式发音
美式发音
基本释义
- 多羧酸：一类含有多个羧基（-COOH）的有机化合物。
例句
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1·Polycarboxylic acid type; High performance; Synthesisze; Action Mechanism; Applied Properties.聚羧酸系； 高性能； 合成； 作用机理； 应用性能；
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2·Polycarboxylic acid is a new kind of high performance water-reducing agents. It has many useful properties.聚羧酸类减水剂是高效减水剂的新品种，具有很多良好的使用性能。
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3·Polycarboxylic acid is a new kind of high performance water-reducing agents which have many useful properties.聚羧酸系高性能减水剂是减水剂的新品种，具有很多良好的使用性能。
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4·A saturated hydroxy polyester resin has been prepared with polycarboxylic acid and polyol at the presence of catalyst and chain transfer agent by the direct melt esterification process.在催化剂、链支化剂存在下多元酸和多元醇直接熔融酯化、常压缩聚合成饱和羟基聚酯。
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5·The influence of monomer mass ratio, reaction temperature, reaction time, emulsifying agent content and mixing speed on polycarboxylic acid type waterproofing agent were studied in this article.本文研究了单体质量比、皂化反应温度、皂化反应时间、乳化剂掺量、搅拌速度等工艺参数对多元羧酸系防水剂性能的影响。
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6·A new polycarboxylic acid type superplasticizer was synthesized by introducing citric acid to polycarboxylic acid molecule as branch in order to solve concretes slump-loss, bleeding and segregation.将柠檬酸作为侧基引入到聚羧酸大分子链中，合成了一种新型聚羧酸系高效减水剂。